(improvement) cqltypes: fast-path lookup_casstype() for simple type n… #1615

Job	Run time
Build wheels / Build source distribution	14s
Build wheels / Prepare matrix to run for 3.13 on `linux,macos-x86,macos-arm,windows,linux-aarch64`	4s
Build wheels / Build wheels for linux on ubuntu-24.04	13m 41s
Build wheels / Build wheels for windows on windows-2022	49m 31s
Build wheels / Build wheels for linux-aarch64 on ubuntu-24.04-arm	13m 25s
Build wheels / Build wheels for macos-arm on macos-14	10m 59s
Build wheels / Build wheels for macos-x86 on macos-15-intel	23m 2s
Build wheels / upload_pypi	0s
Publish wheels to PyPi	-1s
	1h 50m 55s

Provide feedback